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 A075295 Interprimes which are of the form s*prime, s=20. 0
 60, 260, 1220, 1660, 1780, 3620, 4460, 4660, 6260, 6340, 6980, 7580, 11140, 13180, 13460, 14020, 14540, 15380, 16220, 18220, 19060, 20180, 21940, 22180, 23260, 26420, 28780, 29620, 30980, 31660, 33860, 35540, 37220, 38620, 39860, 40580 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Interprimes of the form s*prime are in A075277-A075296 ( s = 2 - 21 ). Case s=1 is impossible. LINKS EXAMPLE 260 is an interprime and 260/20 = 13 is prime. MATHEMATICA s=20; Select[Table[(Prime[n+1]+Prime[n])/2, {n, 2, 14000}], PrimeQ[ #/s]&] CROSSREFS Cf. A075277-A075296. Sequence in context: A206144 A008428 A206232 * A189542 A134587 A100153 Adjacent sequences: A075292 A075293 A075294 * A075296 A075297 A075298 KEYWORD easy,nonn AUTHOR Zak Seidov, Sep 12 2002 STATUS approved

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Last modified March 26 04:58 EDT 2023. Contains 361529 sequences. (Running on oeis4.)